Hail HistoryLekin › Illinois › De Kalb County
Hail history for De Kalb County, IL
58 hail reports in De Kalb County since 2006 on 41 days. The largest stones measured 2.75 in (baseball) on Apr 4, 2023.
Cities in De Kalb County
Recent hail in De Kalb County
| Date | Size hail | Where |
|---|---|---|
| Aug 21, 2026 | 1.00 in 25-sent coin | Sycamore 1 hail report |
| Jun 24, 2026 | 1.00 in 25-sent coin | Malta 1 hail report |
| Apr 14, 2026 | 1.25 in 50-sent coin | Dekalb 4 hail reports |
| Mar 31, 2026 | 1.00 in 25-sent coin | Sandwich 1 hail report |
| Mar 10, 2026 | 1.00 in 25-sent coin | Somonauk 1 hail report |
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Hail days in De Kalb County by year
When hail season peaks in De Kalb County
Damaging thunderstorm winds in De Kalb County
233 reports of damaging thunderstorm wind in De Kalb County since 2006, on 90 days. The strongest measured gust was 75 mph on Mar 31, 2023.
| Date | Strongest gust | Where |
|---|---|---|
| Aug 12, 2026 | 60 mph, a measured | Somonauk 1 wind report |
| Aug 11, 2026 | damage a reported | Sandwich 1 wind report |
| Jul 4, 2026 | damage a reported | DeKalb 1 wind report |
| Jul 3, 2026 | 58 mph, a measured | Hinckley, Cortland, Herbert 5 wind reports |
| Jun 11, 2026 | 58 mph, a estimat | Esmond 1 wind report |
| Jun 10, 2026 | 64 mph, a measured | Rollo, Hinckley 3 wind reports |
| Apr 17, 2026 | 64 mph, a estimat | Rollo, Woodlake Landing Airport 2 wind reports |
| Aug 18, 2025 | 64 mph, a estimat | Genoa, Wilkinson 4 wind reports |
| Aug 16, 2025 | 72 mph, a measured | Wilkinson, Dekalb 2 wind reports |
| Jul 16, 2025 | 63 mph, a estimat | New Lebanon 1 wind report |
Severe thunderstorm wind means gusts of 58 mph or more, or wind that caused damage. Measured gusts come from weather stations; estimated ones from spotters and damage surveys.
Filing a roof or car hail claim?
Insurers ask for the date of loss. The dates on this page are when hail was reported near De Kalb County; hail can hit one street and miss the next, so a report is not proof of damage at your address. A licensed roofer or your insurance adjuster can inspect the roof. Many policies set a time limit for filing a claim — check yours.
Data: NOAA NCEI Storm Events Database (final records through Jun 30, 2026) and National Weather Service Local Storm Reports (preliminary, since then).